//interface 重名 重合
//interface 任意Key [propName: string]: any
//interface ？ readonly
//interface 接口继承
//interface 定义函数类型

interface Axx {
    name: string,
    age: number,
    // [propName: string]: any
}

let a: Axx = {
    name: "小满",
    age: 88
}